Top Dem to Obama: We're running out of time to beat Islamic State

Sen. Dianne Feinstein criticized the president's strategy against the Islamic State on Sunday, saying that the terrorist group has grown despite Pentagon claims that it has lost ground.

"What I'm saying is this has gone on too long now and it has not gotten better, it's gotten worse," Feinstein, D-Calif., said on CBS' "Face the Nation."

The Pentagon has said that the Islamic State holds less territory in Iraq and Syria today than it did a year ago. While Feinstein said that may be true, "there's much more they have gained in other countries," pointing to recent terrorist attacks in Tunisia.